Ключевые слова: architecture, attraction, bank, beautiful, blue, boat, bridge, cabin, cable, cable car, cableway, car, city, cityscape, douro, editorial, embankment, europe, european, famous, funicular, hill, historic, historical, landmark, landscape, nature, old, oporto, outdoor, port, porto, portugal, portuguese, river, ship, sky, skyline, summer, tourism, tourist, town, traditional, transport, transportation, travel, urban, vacation, view, water,